Starting System: Description and Operation

NOTE: power is supplied from the START SIGNAL (ST. SIGN) fuse to the ECA, Fuse Pump Relay and Fuel Pump during crank only.

The Battery, Starter Motor, Starter Relay and Ignition Switch make up the Starting System. On vehicles with automatic transaxle, the Neutral Safety Switch must be closed (PARK or NEUTRAL) to operate the Starter Motor/Relay. In vehicles with manual transaxles, the Clutch iNterlock Switch must be closed (clutch pedal depressed) in order to operate the Starter Motor/Relay.

Turning the Ignition Switch to the START position applies voltage to the coil of the Starter Motor/Relay and energizes the relay. Current from the Battery then flows through the relay portion of the Starter/Motor Relay to the Motor. The motor portion of the Starter Motor/Relay cranks the engine. When the Ignition Switch is released and is in the RUN position, current to the relay portion of the Starter Motor/Relay drops to zero.